Service difficulty report · Intercostal · Boeing 757222

Difficulty date
April 5, 2018
Submitted
April 6, 2018
Operation
Air carrier
Aircraft
N568UA
Make and model
Boeing 757222
Aircraft serial
26674
Aircraft time
81,729 hours, 27,521 cycles
Part
Intercostal
Part number
146N5425
Condition
Cracked
Location
Bs 1400-1420
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING REMOVAL OF THE AFT CARGO INTERCOSTAL BETWEEN BS 1400 & 1420, A CRACK WAS FOUND ON LOWER FLANGE, FOUND OUT OF LIMITS IAW SRM 53-00-04-A1-F101. FABRICATED A NEW INTERCOSTAL AND INSTALLED.